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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Arthritis Rheum. 2013 Dec;65(12):3186–3193. doi: 10.1002/art.38131

Table 4.

Specific IgA binding activity of purified whole IgA from APS patients to domains I and IV/V at several dilutions*

Material IgA DI IgA DIV/V
OD Units OD Units
Dilution of APS-IgA
 • Neat 3.624 163.7 3.655 268.8
 • 1:20 0.658 29.7 0.802 59.0
 • 1:40 0.357 16.2 0.459 33.8
 • 1:80 0.196 8.9 0.279 20.5
 • 1:100 0.176 7.9 0.195 14.3
Negative Control 0.017 0.7 0.039 2.9
*

APS = antiphospholipid syndrome;

OD = optical density